Home / 293,722.20-440,237.70-153,408.60

Finding the Fourth Proportional to 293,722.20, 440,237.70 and 153,408.60

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Solution

The fourth proportional to 293,722.20, 440,237.70 and 153,408.60 is: 229,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,722.20 : 440,237.70 = 153,408.60 : x
  2. Step 2: Convert to fraction form
    293,722.20/440,237.70 = 153,408.60/x
  3. Step 3: Cross multiply
    293,722.20x = 440,237.70 × 153,408.60
  4. Step 4: Simplify right side
    293,722.20x = 67,536,249,224.22
  5. Step 5: Solve for x
    x = 67,536,249,224.22/293,722.20
  6. Step 6: Final answer
    x = 229,932.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.